About the Authors

Sizhong Yang

yangsz@lzb.ac.cn

Affiliation State Key Laboratory of Frozen Soil Engineering (SKLFSE), Cold and Arid Regions Environmental and Engineering Research Institute (CAREERI), Chinese Academy of Sciences, Lanzhou, China

Xi Wen

Affiliation College of Electrical Engineering, Northwest University for Nationalities, Lanzhou, China

Huijun Jin

Affiliation State Key Laboratory of Frozen Soil Engineering (SKLFSE), Cold and Arid Regions Environmental and Engineering Research Institute (CAREERI), Chinese Academy of Sciences, Lanzhou, China

Qingbai Wu

Affiliation State Key Laboratory of Frozen Soil Engineering (SKLFSE), Cold and Arid Regions Environmental and Engineering Research Institute (CAREERI), Chinese Academy of Sciences, Lanzhou, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SY. Performed the experiments: SY. Analyzed the data: XW SY. Wrote the paper: SY. Rewrote some sections of the manuscript during the revision: HJ QW.